Locking device for levers.



R. G. WEISSEL.

LOCKING DEVICE FOR LEVERS,

APPLICATION FILED Nov. 15. um.

.1',292,548. Patented Jan. 28.1919.

A TTORNEYS.

ROBERT G. WEISSEL'; OlE OAKLAND, CALIFORNIA.

LOCKING DEVICE FOR LEVEBS.

eashes.

Specification of Letters Patent.

Paton ted Janr28, 1919.

Application filed November 15, 1917. Serla1NoJ202,233.

To all "LO/l-Oflt it may concern: Be it known -that I, Ronniri G. lVnissnL, a citizen of the United States, residing at )akland, in the county of Alameda and State of California, have invented certain new and useful Improvements in Locking Devices for Levers, of which the following is a specification.

The present-invention relates to an 1mprovenient iii leve'r locking devices, more particularly to that type set forth in Letters Patent No. 1,235,863 granted to me August 7, 1917.

In my present invention I have simplified the construction illustrated in my former patent, by eliminating one element thereof, and by so doing overcoming lost motion and considerable wear between the operative parts of the construction, namely the locking bolt and the bolt operating lever. By my improved construction I am enabled to more cheaply manufacture my improved lock and owing to the same being constructed of less parts, an etlicient working of the same at all times is assured.

To more fully comprehend the invention, reference is directed to the accompanying drawings, wherein- Figure 1 is a view iii rear elevation of the preferred embodiment of my invention,

illustrated as being mounted on a lever with the parts in locked position.

Fig. 2, is a sectional view taken on line 2-2- of Fig. 1.

Refer; ing more particularly to the several views of the drawings, wherein like characters of reference designate corresponding .parts,-*1 indicates a suitable lever which ex tends through a guide plate 2 slotted as ati3 for the guiding of the lever and provided with a stop opening 4- for receiving the lock ing bolt of the lock mechanism when it is desired to prevent operative movement of the lever relative to its guide plate.

My improved lock consists of the side plates 5 connected at their front end by a transverse plate 6 and at their top by a ;ciein her 7 the plates 5 and 6 and member 7 providing a lock casing having the o'flsct portion 8 at one edge thereof.

' Vertically movable within the lock casing is a suitable locking bolt 9 having an offset portion 10 and a vertical. portion 11 formed on its rear face With a suitable rack 12. The upper end of the portion llis provided with a lip 13 between which and a corresponding lip '14 extending inwardly from the front wall (3 is disposed a coiled spring 15 for normally maintaining said bolt 9 in its retracted position within the lock casing. The locking bolt 9 is guided in its vertical movement within the casing by a suitable securing member 16 passing through the walls 5 of the casing and through the lever for attaching the lower end of the casing thereto, said member 16 contacting with the rear face of the vertical portion 11 of the locking bolt 9 and maintaining the front wall 17 of the ofl'set portion 10 of the bolt 9 in contact with the inner face of the offset portion of the front wall (3 of the casing.

A bolt operating lever 18 is fulerunied ona pin 19 which is disposed in rear of the-vertical portion 11 of the bolt 9, and which connects the plates 5, said operating lever being provided on its outer surface adjacent its fulcrum with suitable teeth 20 providing a pinion for engaging the tooth rack 12.

The bolt operating lever is capable of swinging movement in its fixed fulcrum 19 to either raise or lower the locking bolt 9, the outer end thereof being provided with a. recess 21. lVhen the lever 18 is in its up perinost position with its free end lying between the plates 5 and operating the bolt 9 to force the lower end thereof into the opening or recess 4, it is adapted to be engaged by a lock controlled latch 22 slidably mounted within a key controlled lock casing The latch 22 is adapted to be drawn downwardly within the casing 23 by any suitable mechanism operated by a controlling key 24, and on the release of said latch from the recess 21 a plunger 25 pressed outwardly by a spring 26 throws the free end of the lever 18 from, coiiperation relative with the latch and the spring 15 also as sists in raising the lower end of the locking boltt) from the opening for causing the rotation of the lever on its fulcrum 19 to swing .the free end thereof downwardly from the ing of the key controlled lock casing 23,

and to conceal said. opening an escutcheon plate 27 is positioned over the same.

It is understood that my nnproved lever look while being illustrated to connect with a lever capable of perative movement Within a guide slot, the same is adapted for attachment to any type of lever just so long as there is provided a stationary portion for engagement by the locking bolt when the same is moved to operative position.

Having thus described my invention, What 1 claim as new and desire to protect by Letters Patent is A look for a movable lever comprising a casing open at one side and provided at the opposite side near its base with an. offset portion, a longitudinally movable locking bolt mounted within the casing and having an oiiset locking portioin the body of said bolt being provided on one edge with a rack, a locking bolt operating lever having a fixed fulcrum at one end Within the casing, 'luicrumed end formed peripherally with teeth engaging the rack of said locking bolt and providing a pinion therefor, said lever provided at its opposite end With a laterally disposed tongue formed with a depression in its under surface a spring lock mechanism said menses Within said casing and facing toward the open side thereof and with which said tongue is adapted to engage on the movement of said bolt operating lever to move the locking bolt to operative position a spring pressed plunger engageable by said tongue and movable toward'the open side of said casing and adapted for forcing said tongue from said look mechanism on the release of said mechanism, said locking bolt body be ing provided at its upper edge with a lateral flange extending laterally from the side thereof opposite to said rack, said casing provided adjacent said oiiset with a later ally extended flange and a spring cooperating with said bolt and easing flanges for normally maintaining said bolt in its retracted position.

In testimony whereof I have signed my name to this specification in the presence of the subscribing Witness.

ROBERT Gr. WEISSEL.

- Witness:

D. B, RICHARDS. 

